Amazon Ads Specialist

I am amazon seller from about 6 months i have 3 products listed of kitchen appliances. but they are not generating sales. i have tried PPC by myself but my ACOS is 50% . its needs to be max 20% so i need PPC specialist who can bring out sales and lower my ACOS to 20 %.Share your past work. Type AMZ Before Applying. I am looking for honest and hard working candidate to help me increase my Amazon visitors